Algebra Examples

$2 n - 1$

Step 1

Substitute in the value of $n$ to find the $n$ th term.

$a_{2} = 2 (2) - 1$

Step 2

Multiply $2$ by $2$ .

$a_{2} = 4 - 1$

Step 3

Subtract $1$ from $4$ .

$a_{2} = 3$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$